<template>
  <div>
    <h2>我是About组件</h2>
  </div>
</template>

<script>
  export default {
    name:'About',
    /* mounted() {
      this.id =  setTimeout(()=>{
        this.$router.replace('/home')
      },3000)
    },
    beforeDestroy() {
      console.log('About即将死去')
      clearTimeout(this.id)
    }, */
  }
</script>